you guys have argument and you were sulking and angry with sunwoo. u block his number but he stil an chat u on instagram. so sudenly u got notification from him at instagram "im coming to ur house, I can't help, i want touch you for the past 2 days. dont ignore me ill kiss u all the time princess. and ill explain too." u got a little bit scared cause sunwoo is possesive, overprotective, and jealousy. but hes a gentleman.